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Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Hesperolinon sharsmithiae

Hesperolinon sharsmithiae R. O'Donnell

Sharsmith's Western Flax, Sharsmith's Dwarf Flax

Linaceae (Flax Family)

Synonym(s):

USDA Symbol: HESH3

USDA Native Status: L48 (N)

"Herbs, 550 cm, puberulent on stems just distal to nodes, otherwise glabrous or glabrate; unbranched proximally, branches from distal nodes dichotomous, widely spreading. Leaves alternate; stipular glands present only at proximal nodes; blade linear, 1520 11.5 mm, base flat, not clasping, margins without stalked glands. Inflorescences: cymes dichasial, open, internodes long, flowers scattered; bract margins sparsely glandular. Pedicels 0.52 mm near tips of branches, 45 mm in fruit, ascending, not bent at apex. Flowers: sepals erect, not reflexed at tip, oblanceolate, (1.5)3 mm, equal, margins sparsely glandular, surfaces glabrous; petals widely spreading, yellow, veins sometimes red-streaked, oblanceolate to obovate, or almost oval, 34.5 mm, apex erose; cup yellow, rim lobed between filaments and petal attachments; stamens exserted; filaments 1.52.5 mm; anthers yellow, dehisced anthers 11.5 mm; ovary chambers 6; styles 3, color not known, 23.5 mm, exserted." (Webref: 3).

 

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Plant Characteristics

Duration: Annual
Habit: Herb
Leaf Arrangement: Alternate
Leaf Shape: Linear
Leaf Margin: Entire
Inflorescence: Axillary , Cyme
Fruit Type: Capsule
Size Notes: To about 20 inches in height.
Leaf: "Leaves alternate; stipular glands present only at proximal nodes; blade linear, 15-20 x 1-1.5 mm, base flat, not clasping, margins without stalked glands." (Webref: 3).
Flower: "Inflorescences: cymes dichasial, open, internodes long, flowers scattered; bract margins sparsely glandular. Pedicels 0.5-2 mm near tips of branches, 4-5 mm in fruit, ascending, not bent at apex. Flowers: sepals erect, not reflexed at tip, oblanceolate, (1.5-)3 mm, equal, margins sparsely glandular, surfaces glabrous; petals widely spreading, yellow, veins sometimes red-streaked, oblanceolate to obovate, or almost oval, 3-4.5 mm, apex erose; cup yellow, rim lobed between filaments and petal attachments; stamens exserted; filaments 1.5-2.5 mm; anthers yellow, dehisced anthers 1-1.5 mm; ovary chambers 6; styles 3, color not known, 2-3.5 mm, exserted." (Webref: 3).
Fruit: "Fruit globose capsule about 2 mm long and as wide." (Reslit: 3182).

Bloom Information

Bloom Color: Yellow
Bloom Time: May , Jun , Jul

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Hesperolinon sharsmithiae in USDA Plants
FNA: Find Hesperolinon sharsmithiae in the Flora of North America (if available)
Google: Search Google for Hesperolinon sharsmithiae

Metadata

Record Modified: 2023-04-12
Research By: Joseph A. Marcus

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